.popover1 {
    position:absolute;
    background:#fff;
    border: 1px solid #999;
    box-shadow:0 0 10px rgba(0, 0, 0, .5);
    width: 500px;
    z-index: 9999;
}
.popover1:after, .popover1:before {
    right: 100%;
    border: solid transparent;
    content:" ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
}
.popover1:after {
    border-color: rgba(255, 255, 255, 0);
    border-right-color: #ffffff;
    border-width: 10px;
    top: 50%;
    margin-top: -10px;
}
.popover1:before {
    border-color: rgba(201, 201, 201, 0);
    border-right-color: #c9c9c9;
    border-width: 11px;
    top: 50%;
    margin-top: -11px;
}
.popover2 {
    position:absolute;
    background:#fff;
    border: 1px solid #999;
    box-shadow:0 0 10px rgba(0, 0, 0, .5);
    width: 410px;
    height: 100%;
    z-index: 10000;
    top: 0px;
    left: 0px;
}